<div class="left-content">
    <ul>
        <li class="resource-pack">
            <span>平台信息</span>
            <ul>
                <li class=" first" onclick="location.href = '{:U('front/about/notice')}'">公告中心</li>
                <li class="" onclick="location.href = '{:U('front/Account/login')}'">推广平台</li>
                <li class="" onclick="location.href = '{:U('front/about/business')}'">商务合作</li>
                <li class="" onclick="location.href = '{:U('front/about/aboutus')}'">关于我们</li>
            </ul>
        </li>
    </ul>
</div>